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Mirrors > Home > ILE Home > Th. List > elfz2 | Unicode version |
Description: Membership in a finite
set of sequential integers. We use the fact that
an operation's value is empty outside of its domain to show ![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
elfz2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anass 401 |
. 2
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2 | df-3an 980 |
. . 3
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3 | 2 | anbi1i 458 |
. 2
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4 | df-fz 10009 |
. . . 4
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5 | 4 | elmpocl 6069 |
. . 3
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6 | simpl 109 |
. . 3
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7 | elfz1 10013 |
. . . 4
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8 | 3anass 982 |
. . . . 5
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9 | ibar 301 |
. . . . 5
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10 | 8, 9 | bitrid 192 |
. . . 4
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11 | 7, 10 | bitrd 188 |
. . 3
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12 | 5, 6, 11 | pm5.21nii 704 |
. 2
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13 | 1, 3, 12 | 3bitr4ri 213 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-14 2151 ax-ext 2159 ax-sep 4122 ax-pow 4175 ax-pr 4210 ax-setind 4537 ax-cnex 7902 ax-resscn 7903 |
This theorem depends on definitions: df-bi 117 df-3or 979 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-ral 2460 df-rex 2461 df-rab 2464 df-v 2740 df-sbc 2964 df-dif 3132 df-un 3134 df-in 3136 df-ss 3143 df-pw 3578 df-sn 3599 df-pr 3600 df-op 3602 df-uni 3811 df-br 4005 df-opab 4066 df-id 4294 df-xp 4633 df-rel 4634 df-cnv 4635 df-co 4636 df-dm 4637 df-iota 5179 df-fun 5219 df-fv 5225 df-ov 5878 df-oprab 5879 df-mpo 5880 df-neg 8131 df-z 9254 df-fz 10009 |
This theorem is referenced by: elfzd 10016 elfz4 10018 elfzuzb 10019 uzsubsubfz 10047 fzmmmeqm 10058 fzpreddisj 10071 elfz1b 10090 fzp1nel 10104 elfz0ubfz0 10125 elfz0fzfz0 10126 fz0fzelfz0 10127 fz0fzdiffz0 10130 elfzmlbp 10132 fzind2 10239 iseqf1olemqcl 10486 iseqf1olemnab 10488 iseqf1olemab 10489 seq3f1olemqsumkj 10498 seq3f1olemqsumk 10499 summodclem2a 11389 fsum3 11395 fsum3cvg3 11404 fsumcl2lem 11406 fsumadd 11414 fsummulc2 11456 prodmodclem3 11583 prodmodclem2a 11584 fprodntrivap 11592 fprodeq0 11625 isprm5 12142 |
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